Allied-telesis AT-FS717FC/SC Bedienungsanleitung PDF herunterladen (Seite 16)

Chapter 1: Product Description

Cabling

There are two basic types of fiber optic cabling used in the Ethernet

networks: multi-mode fiber and single-mode fiber. Multimode fiber is for

short distances, typically no more than 2 kilometers (1.2 miles). Single-

mode is for longer distances. The fiber optic port on the AT-FS717FC/SC

switch has a maximum distance of 1 kilometers (1.2 miles), and is

designed to be used with either 54/125 or 60/125 micron multi-mode

cable.

LEDs The system and port LEDs on the front panel of the AT-FS717FC/SC

switch display status information. Each port has two LEDs.

Table 1 describes the system and port LEDs on the AT-FS717FC/SC Fast

Ethernet switch.

Table 1. System and Port LEDs

LED State Description

POWER

Green The switch is powered ON and

operating normally.

OFF The switch is not receiving power.

10/100TX

Twisted

Pair Port

100M Green The twisted pair port is operating at

a speed of 100 Mbps.

OFF The twisted pair port is operating at

a speed of 10 Mbps.

LINK/

ACT

Green A valid link is established on the

twisted pair port.

Blinking

Green

The twisted pair port is receiving/

transmitting data.

OFF No link is established on the twisted

pair port.

100FX

Fiber

Optic Port

LINK/

ACT

Green A valid link is established on the

fiber optic port.

Blinking

Green

The fiber optic port is receiving/

transmitting data.

OFF No link is established on the fiber

optic port.

FD Green The fiber optic port is operating in

full-duplex mode.

OFF The fiber optic port is operating in

half-duplex mode.

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